Research Interests:My primary research focus is developing statistics and mathematical models for linkage and haplotype analysis. My current research projects include developing a new hidden Markov model for computing the likelihood of pedigree data, implementing new haplotyping algorithms based on sequential imputation that can incorporate linkage disequilibrium for fine mapping with SNP data. In addition, I am developing approximation methods for computing likelihoods of the large complex pedigrees that we have in our Amish family studies.
O'Connell JR, Weeks DE (1995) The VITESSE algorithm for rapid exact multilocus linkage analysis via genotype set-recoding and fuzzy inheritance. Nat Genet 11:402-408
O'Connell JR, Weeks DE (1998) PedCheck: A program for identifying genotype incompatibilities in linkage analysis. Am J Hum Genet 63:259-266
O'Connell JR, Weeks DE (1999) An optimal algorithm for automatic genotype elimination. Am J Hum Gen 65:1733-1740
O'Connell JR (1999) Rapid multipoint linkage analysis via inheritance vectors in the Elston-Stewart algorithm. Hum Hered 2001;51(4):226-40.
O'Connell JR (2000) Zero-recombinant haplotyping: applications to fine-mapping using SNPs. Genet Epidemiol 19:S64-70
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